EP0282158A3 - Communication system - Google Patents
Communication system Download PDFInfo
- Publication number
- EP0282158A3 EP0282158A3 EP88300894A EP88300894A EP0282158A3 EP 0282158 A3 EP0282158 A3 EP 0282158A3 EP 88300894 A EP88300894 A EP 88300894A EP 88300894 A EP88300894 A EP 88300894A EP 0282158 A3 EP0282158 A3 EP 0282158A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- communication system
- communication
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/04—Selecting arrangements for multiplex systems for time-division multiplexing
- H04Q11/0428—Integrated services digital network, i.e. systems for transmission of different types of digitised signals, e.g. speech, data, telecentral, television signals
- H04Q11/0435—Details
- H04Q11/0471—Terminal access circuits
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/71—Substation extension arrangements
- H04M1/715—Substation extension arrangements using two or more extensions per line
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/04—Selecting arrangements for multiplex systems for time-division multiplexing
- H04Q11/0428—Integrated services digital network, i.e. systems for transmission of different types of digitised signals, e.g. speech, data, telecentral, television signals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
- H04Q2213/097—Numbering
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
- H04Q2213/13096—Digital apparatus individually associated with a subscriber line, digital line circuits
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
- H04Q2213/13097—Numbering, addressing
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
- H04Q2213/13209—ISDN
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
- H04Q2213/13299—Bus
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
- H04Q2213/173—Busy signal
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
- H04Q2213/18—Ringing
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
- H04Q2213/204—ISDN protocol; ISO 7
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP92201232A EP0500194B1 (en) | 1987-02-10 | 1988-02-03 | Communication apparatus |
Applications Claiming Priority (12)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62029038A JPH0695711B2 (en) | 1987-02-10 | 1987-02-10 | Communication terminal |
JP62029037A JPH0744617B2 (en) | 1987-02-10 | 1987-02-10 | Telephone terminal equipment |
JP29034/87 | 1987-02-10 | ||
JP62029034A JPH07101909B2 (en) | 1987-02-10 | 1987-02-10 | Communication device |
JP29037/87 | 1987-02-10 | ||
JP29038/87 | 1987-02-10 | ||
JP62031191A JPH07110029B2 (en) | 1987-02-13 | 1987-02-13 | Communication terminal |
JP31192/87 | 1987-02-13 | ||
JP31191/87 | 1987-02-13 | ||
JP62031192A JPH0793657B2 (en) | 1987-02-13 | 1987-02-13 | Communication terminal |
JP62031868A JPS63199552A (en) | 1987-02-14 | 1987-02-14 | Communication equipment |
JP31868/87 | 1987-02-14 |
Related Child Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP92201232A Division EP0500194B1 (en) | 1987-02-10 | 1988-02-03 | Communication apparatus |
EP92201232.3 Division-Into | 1992-05-02 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0282158A2 EP0282158A2 (en) | 1988-09-14 |
EP0282158A3 true EP0282158A3 (en) | 1989-06-07 |
EP0282158B1 EP0282158B1 (en) | 1993-06-16 |
Family
ID=27549435
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP92201232A Expired - Lifetime EP0500194B1 (en) | 1987-02-10 | 1988-02-03 | Communication apparatus |
EP88300894A Expired - Lifetime EP0282158B1 (en) | 1987-02-10 | 1988-02-03 | Communication system |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP92201232A Expired - Lifetime EP0500194B1 (en) | 1987-02-10 | 1988-02-03 | Communication apparatus |
Country Status (3)
Country | Link |
---|---|
US (3) | US5583930A (en) |
EP (2) | EP0500194B1 (en) |
DE (2) | DE3856195T2 (en) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4995073A (en) * | 1987-10-10 | 1991-02-19 | Canon Kabushiki Kaisha | Communication apparatus and communication system having automatic attribution switching |
US4958343A (en) * | 1988-11-30 | 1990-09-18 | At&T Bell Laboratories | Communication channel reservation |
US4961186A (en) * | 1988-11-30 | 1990-10-02 | At&T Bell Laboratories | Communication channel reallocation |
JP3137437B2 (en) * | 1992-06-30 | 2001-02-19 | 株式会社東芝 | Data transmission system |
CN1101195A (en) * | 1992-10-22 | 1995-04-05 | 株式会社日立制作所 | Communication system |
CA2148384C (en) * | 1994-06-27 | 2003-03-18 | Charles Clifford Hallock | Methods for performing intelligent network services with an isdn network terminator located at a subscriber's premise |
US5953407A (en) * | 1996-12-05 | 1999-09-14 | Nortel Networks Corporation | Distinctive ringing and distinctive call-waiting tones in an ISDN |
US5991387A (en) * | 1997-03-21 | 1999-11-23 | Siemens Information And Communications Network, Inc. | Monitoring and controlling channels to improve the interface of calls |
SE514331C2 (en) * | 1997-05-07 | 2001-02-12 | Ericsson Telefon Ab L M | Method and apparatus for obtaining dynamic bandwidth through variable channel assignment in ISDN |
US5943409A (en) * | 1997-07-11 | 1999-08-24 | Bellsouth Intellectual Property Corporation | Method and system for providing automatic recall information in a telecommunications network |
US6078655A (en) * | 1997-08-27 | 2000-06-20 | At&T Corp | Automatic international reattempt method and apparatus |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0164611A2 (en) * | 1984-05-17 | 1985-12-18 | Fujitsu Limited | Switching system and method for network having a plurality of terminal control equipment units |
Family Cites Families (34)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3701855A (en) * | 1971-01-18 | 1972-10-31 | Bell Telephone Labor Inc | First idle line pickup service |
US3956595A (en) * | 1974-10-03 | 1976-05-11 | Western Electric Company | Circuitry for providing executive ringback in a PBX system |
US3951248A (en) * | 1974-11-07 | 1976-04-20 | Bell Telephone Laboratories, Incorporated | Telephone line visual status indication circuit |
US4209668A (en) * | 1978-09-20 | 1980-06-24 | Utility Verification Corp. | Telephone having reiterative dialing feature |
US4296282A (en) * | 1980-06-30 | 1981-10-20 | Bell Telephone Laboratories, Incorporated | Incoming call identification arrangement |
IT1144160B (en) * | 1981-03-12 | 1986-10-29 | Cselt Centro Studi Lab Telecom | MULTIPLE ACCESS SYSTEM OF TERMINALS ON A NUMERIC TELEPHONE LINE |
EP0066668B1 (en) * | 1981-06-04 | 1986-04-09 | Siemens-Albis Aktiengesellschaft | Method of operating a telephone system |
JPS583453A (en) * | 1981-06-30 | 1983-01-10 | Toshiba Corp | Trunk line call back system |
GB2106354B (en) * | 1981-09-08 | 1985-02-20 | Standard Telephones Cables Ltd | Alarm monitor |
US4519072A (en) * | 1982-11-10 | 1985-05-21 | Rockwell International Corporation | Answer supervision system |
CA1188831A (en) * | 1982-12-14 | 1985-06-11 | Mitel Corporation | Telephone indicator |
JPS59114954A (en) * | 1982-12-20 | 1984-07-03 | Nec Corp | Telephone exchange of work center having automatic camp-on function |
US4626627A (en) * | 1983-10-07 | 1986-12-02 | Teledex | Telephone line selector for use with a PBX |
US4567324A (en) * | 1983-10-11 | 1986-01-28 | Gte Business Communication Systems, Inc. | Secretarial telephone station for use with a secretarial answering system |
JPS60248096A (en) * | 1984-05-24 | 1985-12-07 | Fujitsu Ltd | Delay call system |
JPS6166455A (en) * | 1984-09-10 | 1986-04-05 | Nec Corp | Extension representative group no answer transfer system |
GB2165420B (en) * | 1984-10-03 | 1988-06-22 | Stc Plc | Data handling system |
DE3437540A1 (en) * | 1984-10-12 | 1986-04-24 | Siemens AG, 1000 Berlin und 8000 München | Circuit arrangement for displaying subscriber line seizures by ancillary devices on the associated digital telephone station |
US4636589A (en) * | 1985-02-04 | 1987-01-13 | American Phone Products | In-line telephone intercom system |
JP2550937B2 (en) * | 1985-03-04 | 1996-11-06 | 国際電信電話株式会社 | ISDN subscriber terminal control system |
JPH0640647B2 (en) * | 1985-08-01 | 1994-05-25 | 国際電信電話株式会社 | Extension communication system between ISDN terminals |
US4723273A (en) * | 1985-09-25 | 1988-02-02 | American Telephone And Telegraph Company, At&T Bell Laboratories | Discretionary call forwarding |
US4775975A (en) * | 1985-11-26 | 1988-10-04 | American Telephone And Telegraph Company And At&T Information Systems Inc. | Dial tone detection arrangement with a detection notification feature |
US4694483A (en) * | 1986-06-02 | 1987-09-15 | Innings Telecom Inc. | Computerized system for routing incoming telephone calls to a plurality of agent positions |
US4740955A (en) * | 1986-10-29 | 1988-04-26 | Tie/Communications, Inc. | Communications system having voice and digital data capability and employing a plurality of voice and data buses in main service unit and serial packetized transmission to and from telephones |
JP2696509B2 (en) * | 1987-05-13 | 1998-01-14 | 株式会社リコー | Control system for data terminal equipment |
JPS63283351A (en) * | 1987-05-15 | 1988-11-21 | Canon Inc | Isdn terminal adaptor |
US4995073A (en) * | 1987-10-10 | 1991-02-19 | Canon Kabushiki Kaisha | Communication apparatus and communication system having automatic attribution switching |
JPH01158864A (en) * | 1987-12-16 | 1989-06-21 | Canon Inc | Communication terminal equipment |
JPH01168155A (en) * | 1987-12-24 | 1989-07-03 | Canon Inc | Communication terminal set |
JPH01186939A (en) * | 1988-01-21 | 1989-07-26 | Fuji Photo Film Co Ltd | Processing method for silver halide color photographic sensitive material |
US5245651A (en) * | 1988-08-22 | 1993-09-14 | Canon Kabushiki Kaisha | Communication apparatus for storing abandoned call information |
US5291549A (en) * | 1989-06-07 | 1994-03-01 | Canon Kabushiki Kaisha | Private branch exchange and line exchange method |
US5280520A (en) * | 1989-06-28 | 1994-01-18 | Canon Kabushiki Kaisha | Apparatus for speed and data communication |
-
1988
- 1988-02-03 EP EP92201232A patent/EP0500194B1/en not_active Expired - Lifetime
- 1988-02-03 DE DE3856195T patent/DE3856195T2/en not_active Expired - Fee Related
- 1988-02-03 DE DE88300894T patent/DE3881724T2/en not_active Expired - Fee Related
- 1988-02-03 EP EP88300894A patent/EP0282158B1/en not_active Expired - Lifetime
-
1995
- 1995-01-05 US US08/369,271 patent/US5583930A/en not_active Expired - Fee Related
- 1995-06-07 US US08/476,027 patent/US5648971A/en not_active Expired - Fee Related
- 1995-06-07 US US08/476,346 patent/US5572580A/en not_active Expired - Fee Related
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0164611A2 (en) * | 1984-05-17 | 1985-12-18 | Fujitsu Limited | Switching system and method for network having a plurality of terminal control equipment units |
Non-Patent Citations (4)
Title |
---|
ERICSSON REVIEW, vol. 61, May 1984, pages 14-19; ISDN, Stockholm, SE. G. ERIKSSON et al.: "Voice and data workstations and services in the ISDN" * |
PHILIPS TELECOMMUNICATION REVIEW vol. 43, No. 2, June 1985, pages 150-163; Hilversum, NL. P.D. HESDAHL: "Digital voice/data terminals and data-terminal adapters" * |
PROCEEDINGS OF THE NATIONAL COMMUNICATIONS FORUM, vol. 40, part I, 1986, pages 596-604; Oak Brook, US. W.H. CHRISS et al.: "Basic rate interface capabilities to support ISDN terminals" * |
TELECOMMUNICATION SWITCHING; State of the Art, Impact on Networks and Services, Proceedings of the International Switching Symposium, Florence, May 7-11, 1984, It. Ed. AEI, Amsterdam, NL. A. COMO et al.: "Implementation and experiences of ISDN in axe" * |
Also Published As
Publication number | Publication date |
---|---|
EP0500194A2 (en) | 1992-08-26 |
EP0500194B1 (en) | 1998-05-27 |
DE3881724T2 (en) | 1993-11-11 |
EP0282158A2 (en) | 1988-09-14 |
US5572580A (en) | 1996-11-05 |
US5648971A (en) | 1997-07-15 |
US5583930A (en) | 1996-12-10 |
EP0282158B1 (en) | 1993-06-16 |
DE3856195T2 (en) | 1998-10-08 |
DE3856195D1 (en) | 1998-07-02 |
DE3881724D1 (en) | 1993-07-22 |
EP0500194A3 (en) | 1993-04-14 |
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